Locomotive-boiler.



PATENTED MAR. 3, 1908.

A. P. HELBLING.

LOGOMOTIVE BOILER.

APPLICATION FILED 00115, 1907.

2 SHEETS-$133M]: 1.

hwentoz No. 881,072. PATENTED MAR. 3,1905.

A. P. HBLBLING. LOGOMOTIVE BOILER.

APPLICATION FILED 0OT.15, 1907.

2 SHEETS-SHEET 2.

nnir satires Pagans ora ion.

ALBERT F. HELBLING, or PHILADELPHIA, PENNSYLVANIA.

LOCODHOTIVE-BOILER.

Specification of Letters Patent.

Patented March 3, 1908.

Application filed October 15, 1907. Serial No. 397,480.

To all whom-it may concern: F4 Be it known that I, ALBERT F. HELBLING,

a' citizen of the United States, residing in the.

tion chamber between the grate and the fire tubes.

It further consists of means whereby the fire is prevented from coming directly in contact with the tube sheet of the boiler and with the mud drain.

It further consists of other novel features of construction, all as will be hereinafter fully set forth.

Figure 1 represents a sectional view of a portion of a locomotive embodying my invention, some of the parts being omitted for the sake of clearness. Fig. 2 represents cross sections on the lines :r-a and 'g y, Fig. 1. lines z2 and (!,--(L Fig. 1. Fig. 4 represents a top sectional view on line bl) Fig. '1.

Similar numerals of reference indicate corresponding parts in the figures.

Referring to the drawings, I have found in practice that the main object to be obtained m a locomotive 1s speed and power at a minimum consumption of coal and in order to accomplislrthis it is necessary to have aslarge a grate surface as large heating surface.

in the locomotives now in use the grate is possible as well as a usually in a plane placed below the boiler and back of the driving wheels and is usually supported by what are termed traders. The

boiler tubes have been made of consider-- able length and the tube sheet of the boiler is in direct contact with the fire as is also the mud drain, the consequence of which is that the tube sheet is soon destroyed as well as he mud drain, which necessitates an overhauling of the engine with constant expense thereof and the loss of time incident to the change.

v invention is designed. to overcome these defects and l have shown in the drawings a construction for carrying out the same but it will be understood that the arrangement of-the parts may be varied and changes Fig. 3 represents cross sections on may be made in the construction, which :will come within the scope of the invention, and-I do not therefore desire to be limited in every instance to the exact construction as-herein shown and described but desire to make-such changes as may be necessary.

By my construction, pense with the use of the trailers and I carry the weight of the fire box on the driving wheels 1 am ensibldto-d-iswithout any extreme overhang.

Without raising the boiler center, I provide'a j larger rin for the boiler-withan increased number of fire tubes without increasing the height of the boiler above the rail. Between the grate and the tube sheet, I form a combustion chamber and I provide a larger mud I space or drain'in the front end of the firebox.

1 designates a plate and 2 an end plate forming the outer shell of the fire box.

3 designates an inner plate and 4. the end plate forming the inner shell of the fire box which shells are. firmly stayed together 'by the stays 5. The base of the fire box extends over and beyond the top of the two rear sets of the driving wheels, as will best be understood from Fig. 1, so thatthe weight of the same will be concentrated directly on the driving wheels, as will be evident.

6 designates grate bars which maybe of any desired construction and are suitably supported in the fire box and with the usual bar 7 supporting the same, at the center, the ends of said bar 7 being supported at one end by the end plate 4 and at the opposite end by a saddle bar 8 which is situated at a suitable point in the fire boxv and extends across the same, it being noted that said saddle bar forms the endof the grate a'nd'fuel space, and it will be understood that said saddle bar is attached to the usual bed. plate of the engine and thatthe center of the bar is supported by the frame of the engine in' any suitable or desired manner.

9 designates a yoke which extends across the fire box, below the bar 7, and assists in supporting the grate bars6, said yoke being also carried by the. frame of the engine, as for example at 10, Figs. 2 and 3, which frame is of any desired construction. By this positioning of the grate'it will be seen that I have supported the same directly overthe two sets of rear driving heels and that the same extends on either side beyond the said driving wheels, so that I am enabled to get a maximum surface which insures the largest amount of heat. It will of course be under- 15 is secured to the saddle bar.

stood that the fire box is provided with a suitable door for the reception of the fuel and that the usual'ash pita-11d other necessary features are provided.

11 designates a fire brick or other suitable material which is supported upon the saddle bar 8 and which extends laterally with respect to the grate bars and forms 'a wall for the fuel or coal, which is thus held in proper position, said fire brick serving as a dividing Wall between the grate bars and the combustion chamber 12, which is formed by the fire brick or wall 11 and the tube sheet 13, which with the inner plate 3 and end plate 4 serves as the inner shell, the lower portion of the firechamber being formed at an incline and is constructed in the following manner.

14 desi nates an upright plate which assists in ho ding the fire brick 11 in place, said upright plate being bolted to the saddle bar 8.

15 designates an inclosing sheet which is bolted oneach side to the plates 3 and is also bolted or suitably secured to the saddle bar and is bolted to the lower edge of the tube sheet 13, which latter extends some distance below the plane of the grate bars and also of the point to which the said inclosing sheet Upon the top of the inclosing sheet 15 is laced. a nonheat conducting material 16 w rich supports the fire brick 17, all of which are held at an incline, as will be best understood from Fig.

l, the advantages of which are that I am not only enabled to form a larger combustion chamber .12 but I thus increase the size of the boiler ring and by reason of this am enabled to employ a very much greater number of fire tubes 18 than heretofore used, it being understood that the said tubes 18 are secured in any desired manner with the tube sheet 13 and the tube sheet 19 and that the barrel containing all the fire tubes is formed of the plates 20 and said barrel or ring is attached to the sheet lof the fire box by means of the throat sheet 21 and it is also connected to the frame 1-0 of theengine in any desired and well known manner, it being understood that the smoke and gas pass from the fire tubes to the smoke box 22 out through the smoke stack, as is usual. At the same time the throat sheet 21 forms with the tube sheet 13 p the mud drain which is so positioned or situated, as will be seen from Fig. 1, as to be "entirely protected by the fire brick 17.

y reason of the inclined lower portion of my combustion chamber, as before stated, the barrel or ring can be made of such size that the lower portion thereof is below the apex.

of the front driving wheel and in between the same, this being readily seen from Figs. 1 and 3. From the construction just described, it Will be seen that the heat and products of combustion pass through the combustion chamber and will pass through all of the fire ith ncluding the lowermost ones and ,the

tubes will be'very considerable without alter ing the substantial size of the locomotive and at the same time I am enabled to dispense with the trailers, the advantages of which are evident.

. Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is: v

1 In a locomotive, a fire box situated over the rear driving wheels and extending laterally beyond the same on eachside, a barrel having fire tubes suitably supported therein, a fire brick lined combustion chamber between said grate bars and the fire tube sheet, the lower wall of said combustion chamber being inclined between the intermediate'and front sets of driving wheels.

' 2. In a locomotive, a fire box, grate bars therein, said fire box and grate bars placed over the rear sets of driving wheels and extending on each side beyond said wheels, a barrel containing fire tubes, the ring of which barrel extends between and below the top or apex of the forward sets of driving wheels and a fire brick lined inclined combustion. chamber between the fire grate and the tube sheet of the barrel.

3. In a locomotive, a fire box placed over the rear sets of driving wheels and extending on each side beyond said wheels, grate'bars therein, a saddle bar extending laterally of said grate bars and suitably supported, a fire brick carried by said saddle bar and serving as the end wall for the fuel, a tube sheet suitably-supported and a fire brick linedinclosing sheet,situ ted at an incline and forming the lower wall of the combustion chamber.

4. In a locomotive, a fire box, laced over the rear sets of driving wheels ant extending on each side beyond said wheels, grate bars therein, a saddle bar extending laterally with respect to said grate bars, fire brick carried by said saddle bar and forming the end wall for the fuel, a tube sheet extending below the plane of the grate bars, an inclosing' sheet situated at an incline, non-heat absor Q ent material carried by said mclosmg sheet and fire brick thereon, the upper faceof which is at an incline.

5. In a locomotive, a fire box, laced over the rear sets of driving wheels and extending laterally on each side beyond said wheels, grate bars therein, a saddle bar extending laterally of said grate bars, fir'e brick. carried by said saddle bar, an inclined fire brick lined combustion chamber, a tube sheet suitably suppgrted and extending below the plane of the grate bars, a throat sheet form-v ing-with said tube sheet a mud drain, said- .mud drain protected from the action of the fire by the hning of the combustion chamber.

of the fuel space separated from one another by an inclined fire brick lined combustion chamber, wl'iereby the tube sheet is protected from the fire.

7. In a locomotive, a fire box, consisting of an inner and an outer shell, a tube sheet and throat sheet forming a water compartment, said compartment inclosed. at its base with mud ring, said mud ring extending downward between and laterally beyond the sides of the frontand rear driving wheels at an incline, and fire brick lined inclined inclosingsheet forming a combustion chamber at inclined front end of the fire box.

8. In a locomotive, a fire box, grate bars therein placed over the rear sets of driving wheels and extending beyond the same on each side, said fire box consistingof an inner and outer shell, two end plates, a fire tube sheet and throat sheet, said shells and sheets inclosed at their base with a mud ring, an inclined fire brick lined combustion chamber between the end of the fuel wall and fire tube sheet and between the front and intermediate sets of driving wheels, a barrel or ring containing the fire tubes attached to the outer shell and throat sheet, said ring or barrel extending below the plane of the grate bars and the top'or apex of the forward sets of driving wheels.

9. Ina locomotive, a fire box, grate bars therein, a fire brick lined inclined combustion chamber situated in the inclined front end of the fire box, said inclined end of fire box situated between two sets of driving wneels extending over the top down between and laterally beyond the sides of said wheels.

10. In a locomotive, a the box, grate bars therein, a mud ring inolosing the base of the water compartment formed by the inner and outer shells of said fire box, a combustion chamber situated between the end wall of the grate and fire tube sheet, an inclosing sheet for said chamber situated at an incline, said sheet attached to the saddle bar end of fuel space, lower portion of inclined inner shell and the lower edge of the fire tube sheet, said inc-losing sheet lined with fire brick or any non-heat conducting material; this forming a sealed compartment whereby the draft under the grate bars is not lessened.

1]. In a locon'iotive, a fi e box, grate bars lLlH-Pl'tlll, an inclined combustion chamber in the inclined front end of the fire box, said combustion chamber situated between two sets of driving wheels and extending laterally beyond the sides of said wheels, a saddle bar, fire brick thereon, an inclosing sheet lined with. any non-heat conducting material, said saddle bar, fire brick thereon, inclosing sheet and lining extending laterally from side to side of the inner shell and laterally beyond the outer sides of the said'driving wheels.

12. In a locomotive, a fire box, grate bars therein, a water compartment in said fire box inclosed at its base with a mud ring, said mud ring of fire box extending over the top of the rear sets of driving wheels and laterally beyond the same on each side, the front end of said mud ring and plates of outer and inner shells incline between the intermediate and front sets of driving wheels and laterally beyond said wheels on each side, an inclosed firebrick lined inclined combustion chamber situated in said inclined portion of fire box, whereby a part of the fire tubes may be placed below the plane of the grate, and

the boiler ring below the top or apex of the front sets of driving wheels. 7

13. In a boiler, a fire box, grate bars therein, a barrel or ring with fire tubes suitably supported therein between the tube sheet of the fire box and tube sheet of the smoke box, and an inclined fire brick lined combustion chamber between the end wall of the fuel space and fire tube sheet.

14. In a boiler, a fire box, grate bars there in, a barrel or ring with fire tubes suitably supported. therein, the base of rear portion of said fire box being above the lowest part or edge of the barrel or ring and the front inclined part of said fire box situated below the lower part of the said barrel or ring.

15. In a locomotive; a fire box placed over the two rear sets of driving wheels and extending laterally on each side beyond said wheels, grate bars therein, a saddle bar extending laterally of said grate bars,fire brick carried by said-saddle bar, a fire brick lined combustion chamber formed in said fire box, fire brick forming an inclined wall between the grate bars and the combustion chamber, the lower wall of said combustion chamber being situated lat an incline and extending from said saddle bar to the lower portion of the barrel, whereby the boiler ring and fire tubes may extend below the plane of the grate bars.

I ALBERT F. HELBLING.

I'Vitnesses:

Louis A. T IIOENE-BE,

LoUIs Hassmnuson. 

